package day09;

import java.nio.charset.StandardCharsets;

public class newPrc01 {
    public static void main(String[] args) {
        String s1="abcd";
        String s2="abcd";
        System.out.println(s1.hashCode());
        System.out.println(s2.hashCode());
        System.out.println(s1.subSequence(1,3));
    }
}
